Washington earthquakes

M1.5 earthquake 4 km SW of Fall City, Washington

A magnitude 1.5 earthquake struck 4 km SW of Fall City, Washington on Tue, Jul 23, 1991, 5:11 AM PDT (12:11 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M3.2 4 km SSE of Bethel, Washington. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1991-07-23 12:11:29 UTC
Depth
19.1 km (11.9 mi), shallow
Epicenter
47.532° N, 121.926° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.5 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
90°
Stations used
30

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 35 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 3.24 km SSE of Bethel, Washington · 12855 days ago · 24 km deep · 52 km away
  2. 2.310 km ENE of Ashford, Washington · 12851 days ago · 6 km deep · 83 km away
  3. 1.74 km SW of Sultan, Washington · 12849 days ago · 17 km deep · 33 km away
  4. 1.71 km E of Edmonds, Washington · 12849 days ago · 21 km deep · 44 km away
  5. 1.89 km ENE of Ashford, Washington · 12846 days ago · 5 km deep · 83 km away
  6. 2.39 km ENE of Ashford, Washington · 12846 days ago · 5 km deep · 83 km away
  7. 2.21 km WSW of Belfair, Washington · 12845 days ago · 0 km deep · 70 km away
  8. 2.03 km WNW of Maple Valley, Washington · 12842 days ago · 5 km deep · 19 km away
  9. 1.75 km SSE of Mineral, Washington · 12837 days ago · 18 km deep · 96 km away
  10. 1.55 km NE of Marrowstone, Washington · 12831 days ago · 26 km deep · 81 km away
  11. 2.09 km ENE of Ashford, Washington · 12831 days ago · 6 km deep · 83 km away
  12. 2.021 km ESE of Darrington, Washington · 12831 days ago · 0 km deep · 89 km away
  13. 2.022 km E of Darrington, Washington · 12830 days ago · 0 km deep · 89 km away
  14. 2.33 km W of Wauna, Washington · 12828 days ago · 20 km deep · 60 km away
  15. 2.21 km NNW of Lake Roesiger, Washington · 12827 days ago · 11 km deep · 52 km away
  16. 1.85 km E of Belfair, Washington · 12825 days ago · 45 km deep · 63 km away
  17. 1.91 km NW of Lake Roesiger, Washington · 12824 days ago · 11 km deep · 51 km away
  18. 1.81 km N of Lake Roesiger, Washington · 12823 days ago · 11 km deep · 52 km away
  19. 1.98 km SSE of Coupeville, Washington · 12823 days ago · 20 km deep · 87 km away
  20. 1.628 km N of Packwood, Washington · 12823 days ago · -1 km deep · 77 km away
  21. 1.73 km SW of Tacoma, Washington · 12820 days ago · 49 km deep · 53 km away
  22. 2.01 km NW of Lake Roesiger, Washington · 12818 days ago · 11 km deep · 51 km away
  23. 1.53 km SSW of Des Moines, Washington · 12814 days ago · 18 km deep · 36 km away
  24. 2.222 km ENE of Ashford, Washington · 12814 days ago · -2 km deep · 76 km away
  25. 1.63 km SE of Lake Marcel-Stillwater, WA · 12810 days ago · 7 km deep · 16 km away
  26. 2.01 km SE of Erlands Point-Kitsap Lake, Washington · 12810 days ago · 5 km deep · 58 km away
  27. 1.84 km NW of Marrowstone, Washington · 12809 days ago · 53 km deep · 85 km away
  28. 1.60 km ENE of Erlands Point-Kitsap Lake, Washington · 12809 days ago · 2 km deep · 58 km away
  29. 2.20 km SE of Erlands Point-Kitsap Lake, Washington · 12806 days ago · 2 km deep · 58 km away
  30. 2.114 km SW of Baring, Washington · 12804 days ago · 10 km deep · 28 km away
  31. 1.70 km S of Erlands Point-Kitsap Lake, Washington · 12804 days ago · 5 km deep · 59 km away
  32. 2.41 km ESE of Erlands Point-Kitsap Lake, Washington · 12804 days ago · 2 km deep · 58 km away
  33. 1.90 km SE of Erlands Point-Kitsap Lake, Washington · 12803 days ago · 3 km deep · 58 km away
  34. 1.74 km NE of White Center, Washington · 12801 days ago · 27 km deep · 28 km away
  35. 1.62 km WNW of Sammamish, Washington · 12797 days ago · -1 km deep · 19 km away

Before

  1. 1.69 km ESE of Riverbend, Washington · 12858 days ago · 8 km deep · 25 km away
  2. 2.12 km SSE of Three Lakes, Washington · 12859 days ago · 3 km deep · 44 km away
  3. 1.55 km ENE of Enumclaw, Washington · 12865 days ago · 16 km deep · 34 km away
  4. 2.22 km ENE of Yarrow Point, Washington · 12865 days ago · 0 km deep · 24 km away
  5. 2.54 km NE of Enumclaw, Washington · 12866 days ago · 16 km deep · 33 km away
  6. 1.71 km NNE of Yarrow Point, Washington · 12867 days ago · 11 km deep · 26 km away
  7. 2.66 km WNW of Bangor Trident Base, Washington · 12871 days ago · 23 km deep · 69 km away
  8. 1.51 km E of Clyde Hill, Washington · 12875 days ago · 23 km deep · 23 km away
  9. 1.91 km ESE of Clyde Hill, Washington · 12875 days ago · 25 km deep · 23 km away
  10. 1.82 km NW of Poulsbo, Washington · 12877 days ago · 50 km deep · 61 km away
  11. 2.11 km E of Clyde Hill, Washington · 12877 days ago · 24 km deep · 23 km away
  12. 2.21 km ESE of Esperance, Washington · 12879 days ago · 22 km deep · 42 km away
  13. 2.028 km ENE of Ashford, Washington · 12884 days ago · -1 km deep · 72 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10281493. Read Sat, Oct 3, 2026, 6:02 PM UTC.